#!/usr/bin/env node

const {EventEmitter}= require('events');

class Dog extends EventEmitter{
    constructor(name, energy){
        super()
        this.#name=name;
        this.#energy=energy;
        this.#start();
    }

    get name() {return this.#name;}
    get energy(){return this.#energy;}
    set energy(e){
        this.#energy=e;
        this.#start();
    }

    #start(){
        let timer=setInterval(()=>{
            this.emit('bark')
            this.#energy--;
            if(this.#energy <= 0){
                clearInterval(timer)
            }
        },1000)
    }
    #name='';
    #energy=0;
}

module.exports=Dog;